How severe is CVE-2026-55280?

CVE-2026-55280 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-55280 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-55280?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-55280 published?

CVE-2026-55280 was published on 2026-10-05 and last updated on 2026-10-06.

CVE-2026-55280

CVE-2026-55280 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-457.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-457
Published: 2026-10-05
Last modified: 2026-10-06

Description

In multiple locations, there is a possible out-of-bounds write due to uninitialized data. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Frequently asked questions

What is CVE-2026-55280?: In multiple locations, there is a possible out-of-bounds write due to uninitialized data. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
How severe is CVE-2026-55280?: CVE-2026-55280 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-55280 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-55280?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-55280 published?: CVE-2026-55280 was published on 2026-10-05 and last updated on 2026-10-06.

References

https://source.android.com/docs/security/bulletin/2026/2026-10-01

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